{"product_id":"carrier-c4850c50zg055900-contactor-1k1tl0","title":"OEM Carrier 2-Pole 24V Coil Definite Purpose 40A Contactor for C4850C50ZG055900 — Ships Today","description":"\u003ch1\u003eOEM Carrier Contactor 2-Pole 24V Coil for Model C4850C50ZG055900\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C4850C50ZG055900\u003c\/strong\u003e packaged or split-system unit. The contactor acts as the primary electrical switch that connects line voltage to the compressor and condenser fan motor when your thermostat calls for cooling. A failed contactor is one of the most common causes of an air conditioner that hums, clicks, but refuses to start — or one that simply does nothing at all when the thermostat calls for cooling. Pitted or burned contacts, a weak coil, or contacts that weld shut are all signs it's time to replace.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | 30–40A rated contacts | Direct OEM replacement — no modifications required. Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-grade silver-alloy contact tips rated for full load amperage. Generic aftermarket units often use lower-grade alloys that pit and fail prematurely, especially under high-cycling summer conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor to ensure correct reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before 3PM ET ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eC4850C50ZG055900\u003c\/strong\u003e. This contactor supersedes OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — all three are covered by this single listing. Confirm coil voltage and pole configuration on your unit's data plate before ordering. Our fitment specialists are available to verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909778624883,"sku":"CARRIE-C4850C50ZG055900-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909778657651,"sku":"CARRIE-C4850C50ZG055900-CONTACTOR-HN53CB115-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CB115_0521195b-aae0-4884-be13-7c18e366f1b7.jpg?v=1782897267","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50zg055900-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}